Specialized in civil, structural, and transportation projects
SJH provides a full range of highway engineering services including geometric design, highway drainage and storm-water management, traffic engineering, utility design and coordination, maintenance and protection of traffic, highway lighting, and pavement marking and signage. Our experience encompasses projects ranging from county roadways and highways to large-scale controlled access highways throughout New Jersey and New York.
Hudson Bergen Light Rail Transit System Design-Build Project Retaining Wall and Viaduct Pier Design

This $55 million design-build project involved the design and construction of a viaduct to support two tracks for the Hudson Bergen Light Rail System, a station building, a retaining wall at the end of the viaduct, emergency stairs for NJ Transit personnel to access the tracks from the street ... MORE >>

Route 18 Northbound Resurfacing Project Milepost 5.5 to 11.3

For this $3.7 million federally funded pavement resurfacing project, SJH is providing engineering services for the pavement evaluation and final design of Route 18 NB, from North of Route 138 to South of Deal Road between Milepost 5.5 to 11.3, which consist of two 12-foot travel lanes, a 3-foo... MORE >>

Barnegat Light Pier Inspections and Evaluations

Under contract with the United States Coast Guard (USCG), the SJH team inspected, performed a structural analysis, and produced a report with the findings of the evaluation and recommendations for repair of the haul out finger piers to support a boat lift at Station Barnegat Light.  After... MORE >>

John Heinz Elevated Boardwalk and Observation Deck
SJH provided inspection services for the construction of elevated boardwalks and observation platforms at the National Wildlife Refuge in Philadelphia, PA. Established in 1972, the refuge aims to preserve, restore and develop the Tinicum Marsh and the diverse wildlife, freshwater tidal marshe... MORE >>
On-Call General A & E Services

Under this five year term contract., SJH is providing design services as a DBE subconsultant on the GFP team on an as-needed basis to support WMATA’s capital improvements program.  Services to date have involved the design of new facilities as well as upgrades and expansions.  ... MORE >>

Design Services on an As-Needed Basis


The storm surge from Hurricane Sandy caused tremendous damage to MTA Bridges and Tunnels, including the flooding of the Queens – Midtown Tunnel (QMT) and the Hugh L. Carey Tunnel (Brooklyn Battery Tunnel, BBT). This project involves the design of flood mitigation measur... MORE >>

Restoration of Long Island City Yard

This project represents the last phase of mitigations and improvements to the Long Island City (LIC) Yard, which originally began in the mid-1990’s. After experiencing significant damage during Super Storm Sandy, the LIRR elected to add mitigation measures in addition to the previously p... MORE >>

Safety Improvements at Traversable Medians along the New Jersey Turnpike and Garden State Parkway

The scope of this $2.7 million project consists of the installation of roadway safety features at thirteen (13) locations along the Pearl Harbor Memorial Turnpike Extension from Milepost P0.9 to P5.5 and twenty (20) locations along the Garden State Parkway from Milepost 6.5 to 168.4. The proje... MORE >>

Region North Maintenance Roadway Repair Contract N-103

This Maintenance and Repair Contract N-103 encompassed work on five (5) state highways in the North Region for NJDOT. The roadways repaired on this $10.5 million construction effort include Route 15, Route 23, Route 46, Route 181 and Route 206. The b... MORE >>

Median Crossover Protection Contract No. 10, ESBE Set Aside

This project involved constructing a positive barrier in between the Northbound and Southbound roadways of I-95 and Route 18 to prevent errant vehicles from crossing the median into oncoming traffic.  The bulk of this project consisted of constructing non-vegetative surfaces, removal of d... MORE >>

Miscellaneous Roadway Repairs, Median Inlet Repairs

We provided construction inspection on the New Jersey Turnpike for the $3.5 million reconstruction of inlets and miscellaneous roadway repairs from milepost 0 to 83.  The project included selective demolition, replacements, and reconstruction of drainage inlets in median areas of the road... MORE >>

Route 46 at Hollywood Avenue

The scope of this $15 million project includes the realignment of Route 46 entrance and exit ramps; the reconstruction and widening of Hollywood Avenue; the construction of three new signalized intersections; the construction of retention basins; extensive utility relocations including telepho... MORE >>